CNIDARIAN-

"Don't you dare step on a Cnidaria, unless you want to end up dead!"

Hydroids

Jellyfish

Coral

• "Cnidos" comes from the latin term meaning stinging nettle.
• Simplest organisms with a tissue level of organization.
• Radially symmetrical
• Invertebrates
• Very diverse phylum, but all organisms unite with cnidocytes, which are stinging cells used for catching prey.
• Examples include jellyfish, hydriods, and corals
• Carnivorous

• Not classified by a ceolom because they are only made of two germ layers- the endoderm and the extoderm.

The general internal structure of a Cnidaria